KR890017465A - Turbine Shaft Load Protection - Google Patents

Turbine Shaft Load Protection Download PDF

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Publication number
KR890017465A
KR890017465A KR1019890006438A KR890006438A KR890017465A KR 890017465 A KR890017465 A KR 890017465A KR 1019890006438 A KR1019890006438 A KR 1019890006438A KR 890006438 A KR890006438 A KR 890006438A KR 890017465 A KR890017465 A KR 890017465A
Authority
KR
South Korea
Prior art keywords
valve
turbine
port
pressure
chambers
Prior art date
Application number
KR1019890006438A
Other languages
Korean (ko)
Inventor
판코위엑키 조셉
스테펜 브레이텐바 앤드류
프레드릭 하이드 길버트
Original Assignee
지.에이치.텔퍼
웨스팅하우스 일렉트릭 코오포레이숀
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 지.에이치.텔퍼, 웨스팅하우스 일렉트릭 코오포레이숀 filed Critical 지.에이치.텔퍼
Publication of KR890017465A publication Critical patent/KR890017465A/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C3/00Shafts; Axles; Cranks; Eccentrics
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D3/00Machines or engines with axial-thrust balancing effected by working-fluid
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/8593Systems
    • Y10T137/85978With pump
    • Y10T137/86171With pump bypass

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Control Of Turbines (AREA)

Abstract

내용 없음No content

Description

터어빈 축의 부하 보호기구Turbine Shaft Load Protection

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제 1 도는 본 발명에 따른 보호기구의 우선 실시예의 다이아그램.1 is a diagram of a preferred embodiment of a protective device according to the invention.

Claims (6)

축을 갖는 로터와 터어빈의 작동중에 축에 추력부하를 만드는 압력의 유체를 담는 압력구역을 형성하는 다수의 챔버를 가지며, 적어도 급격한 정지동안 2개의 챔버사이에 압력차이가 생기는 증기 커어빈의 터어빈 축부하 부호시스템에 있어서, 2개의 챔버사이의 유체통로에 조절밸브수단(30-36)이 연결 되고 터어빈의 급격한 정지중에 상기 밸브수단(30-36)을 작동하기 위하여 밸브 작동수단(40-46,60)이 연결되어 축에 과도한 축의 추력부하의 발생을 방지하도록 2개의 챔버사이에 압력차를 감소시키는 것을 특징으로 하는 증기터어빈의 터어빈 축부하 보호기구.Turbine shaft loads of steam turbines, having a rotor with shaft and a plurality of chambers forming pressure zones containing fluids of pressure that create a thrust load on the shaft during operation of the turbine, and at least a sudden difference in pressure between the two chambers during a sudden stop. In the sign system, control valve means (30-36) are connected to the fluid passageway between the two chambers and valve actuation means (40-46, 60) for actuating the valve means (30-36) during rapid shutdown of the turbine. ) Is connected to reduce the pressure difference between the two chambers to prevent the generation of excessive thrust load on the shaft turbine steam load protection mechanism of the steam turbine. 제 1 항에 있어서, 상기 밸브수단(30-36)은 2개의 챔버사이에 연결되며 연속으로 서로 연결된 2개의 조절밸브로 구성된 2개의 밸브 유니트로 구성되며, 압력평형라인은 상기 2개의 밸브유니트 사이에 연결되고 상기 유니트와 상기 2개의 조절밸브사이의 위치에서 각각의 상기 밸브 유니트에 연결되어 상기 2개의 유니트의 상기 조절밸브사이에 낮은 저항의 유체통로를 만드는 것을 특징으로 하는 터어빈 축의 부하 보호 기구.2. The valve unit (30) according to claim 1, wherein the valve means (30-36) is composed of two valve units consisting of two control valves connected in series and connected to two chambers in series, and a pressure balancing line is provided between the two valve units. And a respective low pressure fluid passage between said control unit of said two units at a position between said unit and said two control valves. 제 2 항에 있어서, 상기 밸브 작동수단은 정상적인 터어빈 작동중에 상기 조절 밸브를 폐쇠하고 터어빈의 급격한 정지의 개시에 상기 모든 조절밸브를 개방 시키기 위하여 상기 조절밸브에 연결되어 작동되는 것을 특징으로 하는 터어빈 축의 부하 보호 기구.3. A turbine shaft as claimed in claim 2 wherein said valve actuating means is operatively connected to said regulating valve to close said regulating valve during normal turbine operation and to open all said regulating valves at the onset of sudden shutdown of the turbine. Load protection mechanism. 제 3 항에 있어서, 각조절밸브는 전기신호입력, 압력하에 공기원과 연결되는 제 1 포트, 정상적인 대기압의 구역과 연결되는 제 2 포트 및 공기압 작동기에 연결된 제 3 포트를 갖는 전동 3 방향 솔레노이드 밸브와 공기압작동기를 가지며, 상기 솔레노이드 밸브는 상기 제 3 포트와 상기 제 1 포트 및 제 2 포트의 하나 사이에 선택적으로 유체 연결하도록 상기 입력에서 전기신호 상태에 따라 작동되는 것을 특징으로 하는 터어빈축의 부하 보호 기구.4. The electric three-way solenoid valve of claim 3, wherein each control valve has an electrical signal input, a first port connected to an air source under pressure, a second port connected to a region of normal atmospheric pressure, and a third port connected to a pneumatic actuator. And a pneumatic actuator, wherein the solenoid valve is actuated according to an electrical signal condition at the input to selectively fluidly connect between the third port and one of the first port and the second port. Instrument. 제 4 항에 있어서, 상기 작동기가 상기 솔레노이드 밸브를 통하여 압력하의 공기원과 연결될때 상기 조절 밸브의 상기 작동기는 각각의 조절밸브가 폐쇠되도록 하고 상기 전기신호입력에 전기신호가 없을때 상기 솔레노이드 밸브의 상기 제 2 포트와 제 3 포트 사이를 연결하기 위하여 연결되는 것을 특징으로 하는 터어빈의 축 부하 보호 기구.The solenoid valve of claim 4, wherein the actuator of the regulating valve causes each regulating valve to be closed when the actuator is connected to an air source under pressure through the solenoid valve and when there is no electrical signal at the electrical signal input. Axial load protection mechanism of a turbine, characterized in that connected to connect between the second port and the third port. 제 1 항 내지 제 5 항중 어느 한항에 있어서, 유동조절 구멍을 갖는 2개의 도관이 제공되어 2개의 터어빈 챔버사이의 유체통로를 상기 밸브 유니트의 하나와 평행하게 형성시키는 것을 특징으로 하는 터어빈 축의 부하 보호기구.6. The load protection of a turbine shaft according to any one of claims 1 to 5, wherein two conduits having flow regulating holes are provided to form a fluid passage between the two turbine chambers in parallel with one of the valve units. Instrument. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890006438A 1988-05-13 1989-05-13 Turbine Shaft Load Protection KR890017465A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US193697 1988-05-13
US07/193,697 US4917570A (en) 1988-05-13 1988-05-13 Turbine shaft axial load protection system

Publications (1)

Publication Number Publication Date
KR890017465A true KR890017465A (en) 1989-12-16

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ID=22714667

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Application Number Title Priority Date Filing Date
KR1019890006438A KR890017465A (en) 1988-05-13 1989-05-13 Turbine Shaft Load Protection

Country Status (7)

Country Link
US (1) US4917570A (en)
JP (1) JPH0216306A (en)
KR (1) KR890017465A (en)
CN (1) CN1038496A (en)
CA (1) CA1297798C (en)
ES (1) ES2014088A6 (en)
IT (1) IT1233364B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3737837B2 (en) * 1994-06-24 2006-01-25 トヨタ自動車株式会社 Vehicle suspension arm
US6457933B1 (en) * 2000-12-22 2002-10-01 General Electric Company Methods and apparatus for controlling bearing loads within bearing assemblies
US6957945B2 (en) * 2002-11-27 2005-10-25 General Electric Company System to control axial thrust loads for steam turbines
JP5517785B2 (en) 2010-06-30 2014-06-11 三菱重工業株式会社 Steam turbine and method for adjusting thrust of steam turbine
US8925317B2 (en) 2012-07-16 2015-01-06 General Electric Company Engine with improved EGR system
US10871072B2 (en) * 2017-05-01 2020-12-22 General Electric Company Systems and methods for dynamic balancing of steam turbine rotor thrust
CN109722465B (en) * 2019-01-07 2022-02-01 福建省疾病预防控制中心(福建省健康教育促进中心、福建省卫生检验检测中心) HIV drug resistance detection vector and construction method
CN113153455B (en) * 2020-12-01 2023-03-21 中国船舶重工集团公司第七0三研究所 Radial flow turbine axial force self-adaptive control method
CN113047911B (en) * 2021-03-10 2022-01-14 东方电气集团东方汽轮机有限公司 Thrust balancing structure

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US879748A (en) * 1904-08-17 1908-02-18 Gen Electric Elastic-fluid turbine.
US1011826A (en) * 1907-08-08 1911-12-12 Colonial Trust Co Balancing means for elastic-fluid turbines.
DE675253C (en) * 1937-01-19 1939-05-03 Karl Roeder Dr Ing Device for avoiding axis deflection on steam turbines with a horizontal axis
FI44509B (en) * 1967-06-01 1971-08-02 Valmet Oy
JPS59165801A (en) * 1983-03-09 1984-09-19 Mitsubishi Heavy Ind Ltd Adjustment method of thrust of turbo machinery and apparatus thereof

Also Published As

Publication number Publication date
US4917570A (en) 1990-04-17
CA1297798C (en) 1992-03-24
ES2014088A6 (en) 1990-06-16
IT1233364B (en) 1992-03-27
IT8941597A0 (en) 1989-05-12
CN1038496A (en) 1990-01-03
JPH0216306A (en) 1990-01-19

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